Comparison Lab

A collection of four seasonal project-based learning units for Grade 2 math enrichment featuring autumn harvest and winter wonderland design missions. Students apply advanced geometry, multi-digit money math, precision measurement, and elapsed time to solve authentic real-world challenges.

A foundational 2nd/3rd grade mathematics lesson that introduces two-digit addition with regrouping using concrete base-ten block models, place value charts, and the standard vertical algorithm.

A vibrant, print-ready math worksheet for elementary students to practice skip counting by tens starting at numbers that do not end in 0 or 5. Includes stepping stone sequences, hop trails, ten-more speed challenges, and an error detection word problem.

A comprehensive 3-lesson primary math sequence designed to develop first graders' mental fluency with finding 10 more and 10 less than any two-digit number. Students transition from concrete base-ten models and hundreds-chart leap patterns to rapid mental calculations and clear verbal explanations.

An engaging Kindergarten mathematics lesson introducing repeating patterns (AB, AAB, and ABC) through movement chants, detective mystery challenges, and hands-on manipulative center stations.

A printable single-page student practice worksheet featuring guided step-by-step addition with base-ten frames, independent 2-digit regrouping problems, and a real-world word problem challenge.

A comprehensive math intervention suite targeting foundational construct progressions from early multiplicative units to conceptual fraction schemes.

A targeted four-part intervention toolkit designed for second graders building foundational number sense. Includes scaffolded practice pages for place value, counting on, visual addition strategies, and subtraction models.

An engaging visual slide presentation introducing addition with regrouping by trading 10 ones for 1 ten. Features concrete base-ten block models, side-by-side algorithmic connections, and guided worked examples.

An 8-lesson kindergarten mathematics unit developing foundational concepts of direct length comparison, conservation of number, keeping track to 20, and ordering quantities. Students progress from physical alignment and sorting to abstract numerical comparison and sequence ordering.

Students become polar logistics navigators directing an arctic wildlife sanctuary. They calculate elapsed time to the nearest 5 minutes, map patrol flight paths, and calculate cargo weight and capacity constraints.

A two-page printable set of 12 hands-on math center task cards featuring snap-cube sequencing strips, code-breaker error cards, and partner pattern-building missions.